[examples/s4u-app-bittorrent] Use a different RNG for each node.

[simgrid.git] / examples / s4u / app-bittorrent / s4u-tracker.cpp

diff --git a/examples/s4u/app-bittorrent/s4u-tracker.cpp b/examples/s4u/app-bittorrent/s4u-tracker.cpp
index a8a3446..f9f70b8 100644 (file)
--- a/examples/s4u/app-bittorrent/s4u-tracker.cpp
+++ b/examples/s4u/app-bittorrent/s4u-tracker.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2019. The SimGrid Team.
+/* Copyright (c) 2012-2020. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -6,7 +6,6 @@
 
 #include "s4u-tracker.hpp"
 #include <algorithm>
-#include <xbt/RngStream.h>
 
 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_bt_tracker, "Messages specific for the tracker");
 
@@ -22,8 +21,6 @@ Tracker::Tracker(std::vector<std::string> args)
   }
   xbt_assert(deadline > 0, "Wrong deadline supplied");
 
-  stream = simgrid::s4u::this_actor::get_host()->extension<HostBittorrent>()->getStream();
-
   mailbox = simgrid::s4u::Mailbox::by_name(TRACKER_MAILBOX);
 
   XBT_INFO("Tracker launched.");
@@ -55,7 +52,7 @@ void Tracker::operator()()
       while (tried < max_tries) {
         do {
           next_peer = known_peers.begin();
-          std::advance(next_peer, RngStream_RandInt(stream, 0, nb_known_peers - 1));
+          std::advance(next_peer, random.uniform_int(0, nb_known_peers - 1));
         } while (ta->getPeers().find(*next_peer) != ta->getPeers().end());
         ta->addPeer(*next_peer);
         tried++;